The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

I/ATLAS arrived fast, bright, and strange. When astronomers spotted it on July 1, 2025, they knew almost immediately this was no ordinary comet.

Case in point: Scientists from Tokyo University and Hokkaido University in Japan stumbled across some mysterious jet-black ...

The Supreme Court has upheld a broad conception of birthright citizenship, rejecting President Donald Trump’s executive order.